[ready2rumbelX]

Here are some of the updates:

Core changes:

-added MidiKey2Freq bios call (user contribution)
-added AdvanceMAME Scale2x and Simple 2x filters
-added support for higher frameskip (up to 9)
-added C core for portability
-added big endian support
-added support for movement sensor
-added support for selecting save type available
-fixed another value for the bios protection
-fixed sound envelope reload bug (user contribution)
-fixed timer counter (not changing the value of the counter unless the timer overflows or is restarted)
-fixed problem on big endian when setting IO memory reable positions
-fixed reset LCD after disabling forced blank
-speed up now uses frameskip 9 (6 FPS)
-improved message when BIOS function cannot be emulated

Windows changes:
-added freeze recent list option
-added 800x600 support
-support to export GamesharkAdvance save games
-fixed bug when changing directories in the Directories... dialog

SDL version:
-fixed crash when printing void * variables
-fixed crash when -b specified incorrectly
-fixed warning when reading configuration file about disableMMX if compiled without MMX support